Coal-screen



P.-L.SA\GKETT.'

GOAL SGRBBN.

No. 508,345. Patented Nov. 7, 1893.

INVENTOH WITNESSES A 770/?NEYS.

me NAYIONAL umosmarnms COMPANY WASHINGTON, u. c.

. sure effective action "UNITED STATES PATENT O FICE,

FRANK L. SAOKETT, or FREDONIA, NEW YORK.

COAL-SCREEN.

SPECIFICATION forming part of Letters Patent No. 508,345, dated November '7, 1893.

' Application filed May 5, 1893.

To all whom it may concern.-

'Be it known that I, FRANK L; SACKETT, of Fredonia, in the county of Chautauqua and State of New York, have invented a new and useful Irn proved Goal-Screen, of which the following is a full, clear, and exact description.

This invention relates to improvements in coal screens that are used to screenbroken coal for 'retail purposes, and has for its objects to provide a novel, simple, inexpensive and convenient device of the character indi cated, which will afford means to thoroughly screen coal of different grades, and that may be attached to the side of a car orcart, or be inclined against an upright support for use; a further object being, I able and removable hopper for the screen, which will conduce to the efficiency of the screen in cleaning coal of fine grades.

To these. ends, my invention consists in the peculiar construction and combination 'of parts, as are hereinafter described and claimed. 7

Reference is to be had to the accompanying drawings forming a part of, this specification, in which similar letters of reference indicate corresponding parts in both of the figures Figure l is a'perspective view of the improvement comple't'e, in position for seryice on the side of a car body in part; and Fig. 2

isa longitudinal, sectional vievwef the screen-.

ing device, and a cross section of the car body portion.

The coal screen comprises a rectangular frame A, of ordinary form,'whereon screen wire fabric B, of a suitable mesh, is secured by any suitable means, a proper length and breadth -being provided for these parts to infor the screen. This part of the device is not claimed as of a new construction.

Upon the upper ends of the side bars on the frame A, two similar stout hooks G, are secured, those having their hook portions projected sufficiently beyond the screen frame to permit them to engage their sharpened points with the car side-board D, or if necessary, with the side of a cart or wagon body, and preferably the projecting hook portions are curved of such a radius as will adapt the hooks to take a firm hold on the edge port 1on of the car side-board, and permit a vertical to provide an adj ust- Serial No 473,062- (No model.)

adjustment of the screen frame to regulate its pitch or inclination, as may be desired.

A prop brace E, is a feature of the invention, and consists of a bar of wood or metal of such dimensions as will afford required I strength and render the brace effective in use, a sharp point a, being formed upon or secured to one end of the brace to adapt it for asecure engagement with the wooden side wall. of a car,'coal bin or cart that it may be placed in contact with. At the opposite end of the prop brace E, along one edge, a series of properly spaced notchesb, are formed therein, and on the side of the screen frame A, near its lower end, a staple c is inserted, affording a end portion of the prop brace will slide, and

if desired, may be adjusted to engage any one of the notches with, the loop of the staple, brace to the staple and upon the frame A, near its coal delivery end; and it will be seen that by an adjustment for length in the manner specified, the prop brace may be adapted to hold the screen it, inclined at different angles from a horizontal plane, another staple 0', being secured at the other end of the frame, which will hold the prop brace folded when not in use. On the screen frame A, the removable and longitudinally adjustable hopper G, is located, which part is an important feature of the invention, and consists essentially of a rectangular receptacle having two side walls that are held spaced apart and parallel, by

thereby removably securing the propframe and wire fabric on the end wall 6 and bottom board g. Sufficient width is given to the hopper G, to permit it to engage the lower edges of its side walls with the side bars of the frame A, or locate the laterally projected ledges 71., that are secured on the 4 side walls upon the frame side bars, as shown in Fig. 1. The side walls of the hopper G are preferably sloped on the top edges, from the end wall e, toward the open end that in use is nearest to the top of the screen frame A. The bottom board g, of the hopper, is made of a less length than that of the hopper side walls, which by the location of the bottom board produces a transverse discharge opening "0', in the bottom of the hopper adjacent to the end wall e.

e, and the upper side of the bottom board 9, coal of large size or even soft lump coal may are protected by sheet metal tnot shown?) berun over this screen by simply removing If the hopper G, is formed from wooden the hopper. planking, or boards, the upper edges of the By the use of the improved device, thor- 5 sides and end wall are preferably protected ough cleaning of the coal is insured, which by the metal strips e, that are secured there-, does not always resultif coal that is pervaded on with screws or by other means. "Iwoop with-considerabledust-and dirt is screened 6o posite hooks m (one being shown in Fig. l) in the ordinary way, as there is no means to are loosely secured upon the side wallsofathe, compel the coal handler to throw the coal 1o hopper G, or upon the ledges h, as may be upon the screen at a proper elevation to ofpreferred,and on each side bar of the screen feet a complete removal of the Waste mateframeA, a row ofl spaced. staplesimzareliln a. rial fromthecoal.

serted, for the hooks m to engage with, and If' the hopper is used to screen coal that it will be seen that by-changing'the h-ooks liesbclow ityan which has to be lifted with r 5 from one pair of opposite staples to another a shovel and thrown into said receptacle, it apair thezhopperGpmaybe changedinpposimay be advantageous-whouldtheescreen beot tion 'on thescreen frarne;somsstotlooate itiat 'rconsidenable' length,lto*adj ustath-euhopper on any desired ad-istancefrom rthe top cof the ttheufrannerrnearer thevlowvenrend thaniisrep- 'screen,2or at the top,-=as*showniin Fig. .1. TBSBHIJBdi'H rtheiidrawings,byrchangi'ng its 20 "When'coalof ifi neigradeswisztube-screened Irhooked :connection vwtith inheifraina soithat :asrremoved fromithe: oarythe hopper GyilS '.-coal=-wrhen lshoveledaantdi'lifted may bermore 'preferablysecured::at theltopxit :thesscreen :easilylthnowniintotthechoppergwhichrin all 5 'iframe,1and= therlatterrattache'ditothetopiedge' eases should be so arranged "upon. thesscreen ofi the car--sideboard, =asr representediinil lig. :thatiaisufiicientiportion 'ofrthe-.screenvwill be 2 5 i1,1:ar-suitable in clination beingugive'ni to the itraversedbyi thercoalrto: insure! its acorn plete screenb'y anladjiustment of the prop rbraceaEe sseparationfromihe refuse material.

r-Fromethei position :=gi'ven.to.the improved zHavingtthns-vdescnibed :umy invention, I device,.coalin thescaroan be-shoveled there :claimasmew andudesirei-iiosseourebyletters fronn:iuto'ithe*hopper G, from w hich it will iPatent-- 3o escape in. :an evenly spread slayer upon-the 1.1. .i'l heicombination," with r the-coal=:screen, :iscreen B,and thus be'oaused to traversenearly rcolnposed. ofaa-n roblongi frame, -:'A, having the :theen'tire. -1cn'gth-of. said screen, separating :-screerripropen'B;strotchediacrossitas shown, the1dustiandflneifragmentsotrcoal from that .of thehopper; having anaendwall e,andidis- "which ismerchantable. chargeopen-ingiand whose sbottom: rests sand 5 ilnisome-rcases, it nnayrbeof advantageuto is nadapteda tosl-ide' onrthessidetbarsjof the lhaulathe coal in. carts or wagons fromthe'oar said; coal screen rand fasteningddevices apat a'railroad station1to the coahyard; fonsub- .plied aszishown; for:securing the dropper. at 0 -sequentfretail distribution, :the moral :being different points on the screen frame,=as-shown --screened; atthe'yardpwhich amayl be-efiected andfdescribed.

oconveniently with the improved screening de- J2. a'llheroom bination, withtthe oblongyrectxvice; byLattachiIIg the'screenfra-mexupon the i.angularucoalescreen.A B, of: the? adjustable sidei0rrrear.end'ofitheicartbr wagon body, hopper, :ha'ving:1alldiscllalfge ope ling a i iandthen shovelingthecoal from the vehicle Flower coi'neruand thaving'side ledgeswwhich body intorthe hopperiG; from which iitw'ill IIBStifllIdlfil'BlfldflIJtGd toislide on theside bars 5 escapeiasz before explained; thus insuring a of theiscreem-and;thevh-ooks andistaplesla complete-screening of the coalias: the wa'gon :pl-ied to saidvhopper:and bars-fonseouningthe :oroaltisunloaded. uhopperzat different. pointsnasvshowniand.deroo iwhen coalisto be screened from therground scribed.

the frame and attached iscreen .maywbe uheld 'go at aproper angle by usingiprop'bracefivthe FRANK SAGKE notched end of which umay :be zadjustedfin "Witnesses: staple 10; which will: elevate the-:end of I the MM. S..COREY, screena'whereonitheestaple is placed. vHard *SAiRA'H D.:SAOKETI'. 

